NEC's 4 PIN SOP
SOLID STATE RELAY
FEATURES
• 1 CHANNEL TYPE
(1a output)
• DESIGNED FOR AC/DC SWITCHING LINE CHANGER
• SMALL PACKAGE
4 pin SOP
• LOW OFFSET VOLTAGE
• SURFACE MOUNT TYPE LEAD
PS7241-1A-F3, PS7241-1A-F4
• LOW LED OPERATING CURRENT
I
F
= 2 mA
PS7241-1A
4
3
PS7241-1A
DESCRIPTION
NEC's PS7241-1A is a solid state relay containing a GaAs LED
on the input side and a MOSFET on the output side. It is
suitable for analog signal control because of its low offset and
high linearity.
APPLICATIONS
• EXCHANGE EQUIPMENT
• MEASUREMENT EQUIPMENT
• FA/OA EQUIPMENT
• LAPTOP PC, PDA
1
2
ELECTRICAL CHARACTERISTICS
(T
A
= 25
°C)
PART NUMBER
SYMBOLS
PARAMETERS
Forward Voltage, I
F
= 10 mA
Reverse Current, V
R
= 5 V
Output Capacitance, VD = 0 V, f = 1 MHz
Off-State Leakage Current, I
F
= 0 mA, V
D
= 400 V
On-State Resistance,I
F
= 10 mA, I
L
= 10 mA
On-State Resistance,I
F
= 10 mA, I
L
= 120 mA, t
≤
10 ms
Turn-on Time, I
F
= 10 mA, V
L
= 5 V, R
L
= 500
Ω,
PW
≥
10 ms
Turn-off Time, I
F
= 10 mA, V
L
= 5 V, R
L
= 2 KΩ, PW
≥
10 ms
Isolation Resistance, V
I-O
= 1.0 kV
Isolation Capacitance, V = 0 V, f = 1 MHz
UNITS
V
µA
pF/ch
µA
Ω
Ω
ms
ms
Ω
pF/ch
10
9
0.5
54
0.03
18
15
0.5
0.07
1.0
30
25
2.0
0.2
MIN
PS7241-1A
TYP
1.2
MAX
1.4
5.0
Diode
V
F
I
R
C
OUT
I
LOFF
R
ON
1
R
ON
2
Coupled
MOS
FET
t
ON
1
t
OFF
1
R
I-O
C
I-O
Notes:
1. Test Circuit for Switching Time
I
F
Pulse Input
V
L
Input
50 %
0
V
o
= 5 V
Input monitor
R
in
R
L
t
on
t
off
V
o
monitor
Output
90 %
10 %
California Eastern Laboratories
PS7241-1A
ABSOLUTE MAXIMUM RATINGS
1
(T
A
= 25°C)
SYMBOLS
Diode
I
F
V
R
P
D
I
FP
MOS FET
V
L
I
L
I
LP
P
D
Coupled
BV
P
T
T
OP
T
STG
PARAMETERS
Forward Current (DC)
Reverse Voltage
Power Dissipation
Peak Foward Current
2
Break Down Voltage
Continuous Load Current
Pulse Load Current
3
Power Dissipation
Isolation Voltage
4
Total Power Dissipation
Operating Temperature
Storage Temperature
UNITS
mA
V
mW/ch
A
V
mA
mA
mW/ch
Vr.m.s.
mW
°C
°C
RATINGS
50
5.0
50
1
400
120
240
300
1500
350
-40 to +80
-40 to +100
4.0
±
0.5
RECOMMENDED OPERATING
CONDITIONS
(T
A
= 25°C)
PART NUMBER
SYMBOLS
PARAMETERS
I
F
LED Operating Current
V
F
LED Off Voltage
UNITS
mA
V
PS7241-1A
MIN TYP MAX
2
10
20
0
0.5
OUTLINE DIMENSIONS
(Units in mm)
PS7241-1A
4
3
Notes:
1. Operation in excess of any one of these parameters may result
in permanent damage.
2. PW = 100
µs,
Duty Cycle = 1 %
3. AC voltage for 1 minute at T
A
= 25
°C,
RH = 60 % between
input and output.
4. PW = 100 ms, 1 shot
+0.08
2.05 -0.05
+0.08
0.05 -0.05
2.54
1
2
+0.10
0.4 -0.05
+0.10
0.15 -0.05
7.0–0.3
4.4
1.3
0.5–0.3
ORDERING INFORMATION
PART
PS7241-1A
PS7241-1A-E3
PS7241-1A-E4
PS7241-1A-E5
PS7241-1A-F3
PS7241-1A-F4
PACKAGE
NUMBER
4-pin SOP
PACKING STYLE
Magazine case 100 pcs
Embossed Tape 900 pcs/reel
Embossed Tape 1000 pcs/reel
Embossed Tape 3500 pcs/reel
APPLICATION
PART NUMBER
PS7241-1A
1. LED Anode
2. LED Cathode
3. MOSFET
4. MOSFET
TYPICAL PERFORMANCE CURVES
(T
A
= 25
°C)
MAXIMUM FORWARD CURRENT vs.
AMBIENT TEMPERATURE
100
MAXIMUM LOAD CURRENT vs.
AMBIENT TEMPERATURE
300
Maximum Forward Current, I
F
(mA)
80
Maximum Load Current, I
L
(mA)
200
60
40
100
20
0
-25
0
25
50
75
80
100
0
-25
0
25
50
75
80
100
Ambient Temperature, T
A
(°C)
Ambient Temperature, T
A
(°C)
PS7241-1A
TYPICAL PERFORMANCE CURVES
(T
A
= 25
°C)
FORWARD VOLTAGE vs.
AMBIENT TEMPERATURE
1.6
10
-5
OFF-STATE LEAKAGE CURRENT
vs. SUPPLY VOLTAGE
Off-State Leakage Current, I
Loff
(A)
I
F
= 10 mA
T
A
= 80¡C
Forward Voltage, V
F
(V)
1.4
I
F
= 50 mA
30 mA
1.2
20 mA
10 mA
5 mA
1.0
1 mA
10
-6
10
-7
25¡C
10
-8
0.8
-25
10
-9
0
25
50
75
100
0
100
200
300
400
500
Ambient Temperature, T
A
(°C)
Supply Voltage, V
CC
(V)
LOAD CURRENT vs. LOAD VOLTAGE
NORMALIZED ON-STATE RESISTANCE
vs. AMBIENT TEMPERATURE
Normalized On-State Resistance, R
ON
200
3.0
Normalized to 1.0
at T
A
= 25¡C,
I
F
= 10 mA,
I
L
= 10 mA
2.5
Load Current, I
L
(mA)
100
2.0
1.5
-4.0
-2.0
0
2.0
4.0
1.0
-100
0.5
I
F
= 10 mA
-200
0.0
-25
0
25
50
75
100
Load Voltage, V
L
(V)
Ambient Temperature, T
A
(°C)
OUTPUT CAPACITANCE vs.
APPLIED VOLTAGE
200
f = 1 MHz
30
25
ON-STATE RESISTANCE
DISTRIBUTION
n = 50 pcs,
I
F
= 10 mA,
I
L
= 10 mA
Output Capacitance C
out
(pF)
150
Number (pcs)
20
40
60
80
100
120
20
15
10
5
0
100
50
0
16
18
20
22
24
Applied Voltage, V
D
(V)
On-state Resistance, R
on
(Ω)
PS7241-1A
TYPICAL PERFORMANCE CURVES
(T
A
= 25
°C)
TURN-ON TIME vs.
FORWARD CURRENT
3.0
Vo = 5 V
2.5
2.0
1.5
1.0
0.5
TURN-OFF TIME vs.
FORWARD CURRENT
0.30
Vo = 5 V
0.25
Turn-off Time, t
off
(ms)
5
10
15
20
25
30
Turn-on Time t
on
(ms)
0.20
0.15
0.10
0.05
0
0
5
10
15
20
25
30
Forward Current, I
F
(mA)
Forward Current, I
F
(mA)
TURN-ON TIME DISTRIBUTION
30
25
n = 50 pcs,
I
F
= 10 mA,
V
o
= 5 V
30
25
TURN-OFF TIME DISTRIBUTION
n = 50 pcs,
I
F
= 10 mA,
V
o
= 5 V
Number (pcs)
Number (pcs)
20
15
10
5
0
20
15
10
5
0
0.4
0.5
0.6
0.7
0.8
0.04
0.06
0.08
0.10
0.12
Turn-on Time t
on
(ms)
Turn-off Time t
off
(ms)
NORMALIZED TURN-ON TIME vs.
AMBIENT TEMPERATURE
3.0
Normalized to 1.0
at T
A
= 25 ºC,
I
F
= 10 mA,
V
o
= 5 V
NORMALIZED TURN-OFF TIME vs.
AMBIENT TEMPERATURE
3.0
Normalized to 1.0
at T
A
= 25 ºC,
I
F
= 10 mA,
V
o
= 5 V
Normalized Turn-on Time t
on
2.0
1.5
1.0
0.5
0.0
–25
Normalized Turn-off Time t
off
2.5
2.5
2.0
1.5
1.0
0.5
0.0
–25
0
25
50
75
100
0
25
50
75
100
Ambient Temperature, T
A
(ºC)
Ambient Temperature, T
A
(ºC)
PS7241-1A
TAPING SPECIFICATIONS
(Units in mm)
OUTLINE AND DIMENSIONS (TAPE)
2.0
±
0.1
1.75
±
0.1
4.0
±
0.1
1.55
±
0.1
2.4
±
0.1
5.5
±
0.1
7.4
±
0.1
12.0
±
0.2
0.3
1.55
±
0.1
4.6
±
0.1
8.0
±
0.1
TAPE DIRECTION
PS7241-1A-E3
PS7241-1A-E4
OUTLINE AND DIMENSIONS (REEL)
2.0
2.0
±
0.5
φ13.0
±
0.5
φ180
φ13.0
±
0.5
15 º
15 º
φ21.0
±
0.8
φ60
13.0
±
1.0
Notes:
1. Packing : PS7241-1A-E3/E4
900 pcs/reel
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